pneumatic pick的意思|示意
风镐，松土机；气动挖掘机
pneumatic pick相关短语
1、 pneumatic pick mining 风镐落煤法
2、 pneumatic pick hammer 风镐
3、 internal pneumatic pick-up 磨膛吸料
4、 drill rods for pneumatic pick 风镐钎
5、 pick housing of pneumatic pick 风镐缸体
6、 tunnelling with the pneumatic pick 风镐掘进
7、 pneumatic coal pick 风镐
8、 Pick-rods for pneumatic picks 气镐用镐钎